synonym

grammar

is a word you have to use because you don't know how to spell the other one.

A synonym is a word you have to use because you don't know how to spell the other one.

is impossible as there are no two words that mean exactly the same thing.

Here's the point to be made there are no synonyms. There are no two words that mean exactly the same thing. (Theodore Sturgeon)

is a name used when checking into a sleezy motel

is a word you use when you can't spell the other one.

is a word you use when you can't spell the word you first thought of

is a world used in place of the one you can't spell.

is a word you use when you can't spell the word you first thought of.

is a word for which, oddly, there aren't any synonyms.